diff --git a/src/activitypub/actors.js b/src/activitypub/actors.js
index d2b08befcd..e86efb0fbc 100644
--- a/src/activitypub/actors.js
+++ b/src/activitypub/actors.js
@@ -110,7 +110,7 @@ Actors.assert = async (ids, options = {}) => {
 	 */
 
 	ids = await Actors.qualify(ids, options);
-	if (!ids) {
+	if (!ids || !ids.length) {
 		return ids;
 	}